for us. this meeting on iran, tell us about it. >> reporter: jon, in about five minutes or so the five permanent members of the security council, plus germany, expected to begin this meeting, another attempt to try and stop iran. the meeting will be behind closed doors as they try and coordinate the policy against tehran and its efforts to continue a disputed nuclear program. as you know, iran is violating four security council resolutions. this all comes as mahmoud ahmadinejad remains in new york for this week and so does his heated rhetoric, but despite that the iranian president indicated that iran would be interested in talks. the white house has left open the door, they say, for that, but there's nothing concrete yet. we expect a meeting to come out of that statement when it is completed. this comes as we heard ahud barak who told us he thinks sanctions with more effective than people think, and they need more time and warns the world much get much -- must get much tougher. >> there is a